<template>
  <div>
    <Dog :ins="list" @Add='add' />
    <div>
      <p>你喜欢的狗如下:</p>
      <ul>
        <li v-for="(item,index) in arr" :key="index">
          {{item}}
        </li>
      </ul>
    </div>
  </div>
</template>

<script>
import Dog from './components/dog2.vue'
export default {
  data () {
    return {
      list: [
        {
          dogImgUrl:
            'http://nwzimg.wezhan.cn/contents/sitefiles2029/10146688/images/21129958.jpg',
          dogName: '博美'
        },
        {
          dogImgUrl:
            'https://ss2.bdstatic.com/70cFvnSh_Q1YnxGkpoWK1HF6hhy/it/u=1224576619,1307855467&fm=26&gp=0.jpg',
          dogName: '泰迪'
        },
        {
          dogImgUrl:
            'https://ss2.bdstatic.com/70cFvnSh_Q1YnxGkpoWK1HF6hhy/it/u=2967740259,1518632757&fm=26&gp=0.jpg',
          dogName: '金毛'
        },
        {
          dogImgUrl:
            'https://pic1.zhimg.com/80/v2-7ba4342e6fedb9c5f3726eb0888867da_1440w.jpg?source=1940ef5c',
          dogName: '哈士奇'
        },
        {
          dogImgUrl:
            'https://img1.baidu.com/it/u=1745732990,1020208930&fm=26&fmt=auto',
          dogName: '阿拉斯加'
        },
        {
          dogImgUrl:
            'https://img1.baidu.com/it/u=2126513322,2753671147&fm=26&fmt=auto',
          dogName: '萨摩耶'
        }
      ],
      arr: []
    }
  },
  components: {
    Dog
  },
  created () {},

  methods: {
    add (e) {
      if (this.arr.indexOf(e) === -1) {
        this.arr.push(e)
      } else {
        const index = this.arr.findIndex(item => item === e)
        this.arr.splice(index, 1)
        // this.arr.splice(e)
      }
    }
  }
}
</script>

<style scoped lang="less"></style>
